Vuforia SDK---- AR開發旋轉縮放模型功能
阿新 • • 發佈:2019-01-23
var target : Transform; var distance = 10.0; var xSpeed = 250.0; var ySpeed = 120.0; var yMinLimit = -20; var yMaxLimit = 80; var x = 0.0; var y = 0.0; private var oldPosition1 : Vector2; private var oldPosition2 : Vector2; function Start () { var angles = transform.eulerAngles; x = angles.y; y = angles.x; // Make the rigid body not change rotation if (rigidbody) rigidbody.freezeRotation = true; } function Update () { if(Input.touchCount == 1) { if(Input.GetTouch(0).phase==TouchPhase.Moved) { x += Input.GetAxis("Mouse X") * xSpeed * 0.02; y -= Input.GetAxis("Mouse Y") * ySpeed * 0.02; } } if(Input.touchCount >1 ) { if(Input.GetTouch(0).phase==TouchPhase.Moved||Input.GetTouch(1).phase==TouchPhase.Moved) { var tempPosition1 = Input.GetTouch(0).position; var tempPosition2 = Input.GetTouch(1).position; if(isEnlarge(oldPosition1,oldPosition2,tempPosition1,tempPosition2)) { if(distance > 3) { distance -= 0.5; } }else { if(distance < 18.5) { distance += 0.5; } } oldPosition1=tempPosition1; oldPosition2=tempPosition2; } } } function isEnlarge(oP1 : Vector2,oP2 : Vector2,nP1 : Vector2,nP2 : Vector2) : boolean { var leng1 =Mathf.Sqrt((oP1.x-oP2.x)*(oP1.x-oP2.x)+(oP1.y-oP2.y)*(oP1.y-oP2.y)); var leng2 =Mathf.Sqrt((nP1.x-nP2.x)*(nP1.x-nP2.x)+(nP1.y-nP2.y)*(nP1.y-nP2.y)); if(leng1<leng2) { return true; }else { return false; } } function LateUpdate () { if (target) { y = ClampAngle(y, yMinLimit, yMaxLimit); var rotation = Quaternion.Euler(y, x, 0); var position = rotation * Vector3(0.0, 0.0, -distance) + target.position; transform.rotation = rotation; transform.position = position; } } static function ClampAngle (angle : float, min : float, max : float) { if (angle < -360) angle += 360; if (angle > 360) angle -= 360; return Mathf.Clamp (angle, min, max); }